Geometry

Area Calculator

Calculate area of circles, rectangles, triangles, and other shapes

How to Use
  1. Select the shape you want to calculate the area for.
  2. Enter the required dimensions (e.g., radius, base, height).
  3. Click Calculate Area to get the result.

Formula

Area formulas:

  • Square: Area = side²
  • Rectangle: Area = length × width
  • Triangle: Area = ½ × base × height
  • Circle: Area = π × radius²